129145893 is an odd 9-digits composite number following 129145892
and preceding 129145894 . In scientific notation, it is written as 1.29145893 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 86022000 positive integers (up to 129145893) that are relatively prime to 129145893.
129145893 has 8 divisors, whose sum is 172345056
The reverse of 129145893 is 398541921
Previous prime number is 1181
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million one hundred forty-five thousand eight hundred ninety-three
Scientific notation
1.29145893 × 10^8
Engineering notation
1.29145893 × 10^6
Prime Factorization
3 × 1181 × 36451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129145893
Product of the distinct prime numbers
The prime factorization of 129145893 is 3 × 1181 × 36451.
Since it has a total of 3 prime factors.
5 , 4 , 81 , 44 , 876 , 173 , 8275 , 4686 , 94706 , 17760 , 529814 , 901392 , 6894937 , 222732 , 68925379 , 66217043 , 952171189 , 48109413 , 8435347949 , 4920171773
n×2
258291786
n×3
387437679
n×4
516583572
n×5
645729465
n÷2
64572946.5
n÷3
43048631
n÷3
32286473.25
n÷5
25829178.6
n2
16678661678767449
n3
2.1539806565493E+24
n4
2.7817775539479E+32
n5
3.5925514633195E+40
2 √n
11364.23745792
3 √n
505.4678447164
4 √n
106.60317752263
5 √n
41.900202311519
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129145892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129145893 can be divided by 8 positive divisors.
The sum of these divisors (counting 129145893) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100101001110000100101
3
Ternary
100000000021212020
4
Quaternary
13230221300211
5
Quinary
231030132033
6
Senary
20452013353
8
Octal
754516045
10
Decimal
129145893
12
Duodecimal
37301259
16
Hexadecimal
7b29c25
20
Vigesimal
20734ed
36
Base36
24w1lx
md5
460bcb71fb78f8ff4ccc949f90ae1cd1
sha1
c59469a13ffbbb863e48f04c80d6708347a9fa34
sha256
503b95369ce2b4da8fd059687a348bf3e93f6e736e7a571ee74ebfeb341d6a9f
sha512
f3b9f369f7cb3be8f5e706149ff1f1f2615bb8100936d8d732018240a3b6245e07f3b76393fcab7b382d01b2af45a956ff40947f4ff44bd1f2512397159b8987
ripemd-160
8665b55f2ab216e5ce80e4c492d8a32e36c17d32
Diameter
258291786
Circumference
811447577.38019
Area
5.2397561001725E+16
Volume
9.0225730754531E+24
Surface area
2.095902440069E+17
Circumference
811447577.38019
Perimeter
516583572
Area
16678661678767449
Diagonal
182639873.40538
Surface area
100071970072604694
Volume
2.1539806565493E+24
Space diagonal
223687248.26485
Perimeter
387437679
Area
7.2220723574693E+15
Altitude
111843624.13243
Surface area
7.2220723574693E+15
Volume
2.5384905479844E+23
Height
60879957.801795